AppConfig

Config
---
{
  "customerIds": ["1", "2", "3"]
}

Validator
---
{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "description": "My Config",
  "type": "object",
  "properties": {
    "customerIds": {
      "type": "array"
    }
  },
  "minProperties": 1,
  "required": [
    "customerIds"
  ]
}


Policy
---
{
        "Version": "2012-10-17",
        "Statement": [
            {
                "Effect": "Allow",
                "Action": [
                    "cloudwatch:DescribeAlarms"
                ],
                "Resource": "*"
            }
        ]
 }

Trust Relationship
---
 {
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Principal": {
        "Service": "appconfig.amazonaws.com"
      },
      "Action": "sts:AssumeRole"
    }
  ]
}


Set Error State
---
aws cloudwatch set-alarm-state --alarm-name "LambdaErrorAlarm" --state-value ALARM --state-reason "testing purposes"


Lambda Code
---
import urllib.request
                

def lambda_handler(event, context):
    url = f'http://localhost:2772/applications/application_name/environments/environment_name/configurations/configuration_name'
    config = urllib.request.urlopen(url).read()
    return config

Extensions / Layers Documentation
---
https://docs.aws.amazon.com/appconfig/latest/userguide/appconfig-integration-lambda-extensions.html